{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "1438540",
    "entityType": "User",
    "nonce": "0xaeeb926b49e96f61ae57d9276f90a63032b19e6109f4cc1111e7a15f735b8a43",
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    "signer": "0x41Fd0c5C6Ee46Fb99a498db2e7135c69490cB85F",
    "userId": "507333378"
  }
}